scummvm/image/codecs/rpza.h
2015-04-11 14:37:09 -04:00

63 lines
1.9 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef IMAGE_CODECS_RPZA_H
#define IMAGE_CODECS_RPZA_H
#include "graphics/pixelformat.h"
#include "image/codecs/codec.h"
namespace Image {
/**
* Apple RPZA decoder.
*
* Used by PICT/QuickTime.
*/
class RPZADecoder : public Codec {
public:
RPZADecoder(uint16 width, uint16 height);
~RPZADecoder();
const Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream);
Graphics::PixelFormat getPixelFormat() const { return _format; }
bool containsPalette() const { return _ditherPalette != 0; }
const byte *getPalette() { _dirtyPalette = false; return _ditherPalette; }
bool hasDirtyPalette() const { return _dirtyPalette; }
bool canDither(DitherType type) const;
void setDither(DitherType type, const byte *palette);
private:
Graphics::PixelFormat _format;
Graphics::Surface *_surface;
byte *_ditherPalette;
bool _dirtyPalette;
byte *_colorMap;
uint16 _width, _height;
uint16 _blockWidth, _blockHeight;
};
} // End of namespace Image
#endif